package kr.hkit.powerjava.chapter24.service;

import java.util.Scanner;

import kr.hkit.powerjava.chapter24.dao.InterfaceDAO;
import kr.hkit.powerjava.chapter24.vo.Student;

public abstract class ServiceItem<T> {
	protected InterfaceDAO<T> dao;
	protected Scanner sc;
	
	public ServiceItem(InterfaceDAO<T> dao, Scanner sc) {
		this.dao = dao;
		this.sc = sc;
		init();
	}
	
	protected void init() {
		dao.loadFile();
		prnMenu();
	}
	
	protected void prnMenu() {
		int res = 0;
		T item = null;
		do {
			System.out.println("1.입력\n2.삭제\n3.수정\n4.검색\n5.리스트보기\n6.종료");
			res = sc.nextInt();
			switch(res) {
				case 1:
					item = inputItemInfo(true);
					dao.insertItem(item);
					break;
				case 2:
					dao.prnListItem(null);
					System.out.println("삭제할 정보를 입력을 하세요");
					item = inputItemInfo(false);
					dao.deleteItem(item);
					break;
				case 3:
					dao.prnListItem(null);
					item = inputItemInfo(true);
					dao.updateItem(item);
					break;
				case 4:
					item = inputItemInfo(false);
					try {
						item = dao.searchItem(item);
						System.out.println(item);
					} catch(ArrayIndexOutOfBoundsException e) {
						System.out.println("해당 정보 없음");
					}
					break;
				case 5:
					prnSubMenu();
					break;
				case 6:
					dao.saveFile();
					sc.close();
					System.exit(0);
					break;
				default : 
			}
		} while(res <= 6);
	}
	
	public abstract T inputItemInfo(boolean gubun);
	public abstract void prnSubMenu();
	
}